SSC CGL MATHS QUIZ

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Question 1:

A boat takes 2 hours to cover a certain distance downstream, but it takes 314 hours to cover the same distance upstream. If the speed of the stream is 5 km/h, then what is the speed (in km/h) of the boat in still water?

Question 2:

A man rows down a river 30 km in 6 hrs with the stream and returns in 10 hrs. The speed at which he rows in still water is:

Question 3:

A boat covers 40 km in 8 hours along the current and 18 km in 6 hours against the current. What is the speed of the current?

Question 4:

A motor-boat can travel at 10 km/h in still water. It travelled 91km downstream in a river and then return to the same place, taking altogether 20 hours. Find the rate of flow of river.

Question 5:

A person rows upstream a distance of 65 km in 5 hours and rows downstream a distance of 57 km in 3 hours. How much time will he take to row a distance of 72 km in still water?

Question 6:

Sum of the speed of the boat in upstream and downstream is 36 km/h. The speed of the stream is 3 km/h. find the time taken to cover the 52.5 km upstream, assume the speed of the boat in still water is constant throughout.

Question 7:

A motor boat has speed 30 km/h in still water. It goes 60 km down stream and comes back in 92 h. What is the speed of the stream?

Question 8:

A man cover a certain distance in 5 hours Downstream and cover the same distance in 8 hours Upstream. If speed of water is 39 km/h then find speed of man.

Question 9:

If the speed of stream is 20% of the speed of boat in still water and it covers 120km upstream in 150 minutes , then what is the downstream speed of boat ?

Question 10:

The time taken by a boat to row 21 km with the stream is same as the time taken by it to row 12 km against the stream. If the speed of boat in still water is 5.5 kmph, find speed of stream?